id: CVE-2022-0776

info:
  name: RevealJS postMessage <4.3.0 - Cross-Site Scripting
  author: LogicalHunter
  severity: medium
  description: RevealJS postMessage before 4.3.0 contains a cross-site scripting vulnerability via the document object model.
  remediation: |
    Upgrade to RevealJS postMessage version 4.3.0 or later to mitigate this vulnerability.
  reference:
    - https://hackerone.com/reports/691977
    - https://github.com/hakimel/reveal.js/pull/3137
    - https://huntr.dev/bounties/be2b7ee4-f487-42e1-874a-6bcc410e4001/
    - https://nvd.nist.gov/vuln/detail/CVE-2022-0776
    - https://github.com/hakimel/reveal.js/commit/32cdd3b1872ba8e2267c9e87ae216cb55f40f4d2
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 6.1
    cve-id: CVE-2022-0776
    cwe-id: CWE-79
    epss-score: 0.001
    epss-percentile: 0.40916
    cpe: cpe:2.3:a:revealjs:reveal.js:*:*:*:*:*:node.js:*:*
  metadata:
    vendor: revealjs
    product: reveal.js
    framework: node.js
  tags: hackerone,huntr,cve,cve2022,headless,postmessage,revealjs
headless:
  - steps:
      - args:
          url: "{{BaseURL}}"
        action: navigate

      - action: waitload

      - action: script
        name: extract
        args:
          code: |
            () => {
            return (Reveal.VERSION <= "3.8.0" || Reveal.VERSION < "4.3.0")
            }
    matchers:
      - type: word
        part: extract
        words:
          - "true"
# digest: 4b0a004830460221008280809dfd0f1e38db42e7f4659256ad594c2b3ec9475a11586b2eec1e21a176022100a05f9dc85e09b10d6fe7b9f4a793e47f494ad45836554951fb78a876c8381647:922c64590222798bb761d5b6d8e72950